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Testapedia Glossary

OTDR (Optical Time-Domain Reflectometer)


Term
OTDR (Optical Time-Domain Reflectometer)

Abbreviation
OTDR

Definition
An OTDR (Optical Time-Domain Reflectometer) injects a series of optical pulses into the fiber under test and extracts, from the same end of the fiber, light that is scattered or reflected back from points along the fiber.

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